Table 2.
FRB samples that we excluded from our analysis either because of (i) outliers in the 
parameter space or because (ii) the DMEG is negative.
| FRB | DMobs | DMMWdisk, obs | vobs | zspec | τobs | στobs | τ(1 GHz) | DMEG | References |
|---|---|---|---|---|---|---|---|---|---|
| pc cm−3 | pc cm−3 | GHz | ms | ms | ms | pc cm−3 | DM, zspec, τobs, vobs | ||
| 20191228A | 298 | 33 | 1.27 | 0.2432 | 6.1 | 0.6 | 15.9 | 212 | 1 |
| 20210405I | 565 | 396 | 1.28 | 0.066 | 9.7 | 0.2 | 26.4 | 116 | 2 |
| 20210410D | 579 | 56.2 | 1.28 | 0.1415 | 29.4 | 2 | 79.9 | 470 | 3 |
| 20220912A | 228 | 125 | 1.41 | 0.0771 | 2.63 | 0.35 | 10.3 | 50.3 | 4 |
| 20181030A | 104 | 41.1 | 0.704 | 0.0039 | < 0.88 | 0.22 | 9.93 | 5 | |
| 20200120E | 87.8 | 41 | 1.4 | 0.0008 | < 0.00003 | 0.00011 | −5.63 | 6 | |
| 20220319D | 111 | 140 | 1.4 | 0.01123 | < 0.1 | 0.38 | −81.3 | 7 |
Notes. (1) Bhandari et al. (2022); (2) Driessen et al. (2024); (3) Caleb et al. (2023); (4) Ravi et al. (2023b); (5) CHIME/FRB Collaboration (2021); (6) Nimmo et al. (2022); (7) Ravi et al. (2023a).
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